OpenTechnical

OT-2026-000041628

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000041628) never changes.

Identity and time

Publication numberOT-2026-000041628 · never reused
Internal UUID01a0ae79-e8a0-7685-baec-120fee77c9ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041628
StatusPUBLIC

Content hashes

Canonical textf529cec90a5d7b659e06c2cf2d262a4b8022fae730beb9c93b51ab06e41e3ab1
Markdowne2483fa71ad077608fb85f2f8693f2686410ee364f960cd635707415aa763b2f
PDF
Publication page2955ade57cd349e0dd9076ebe6c3bb05956a9ef431ec4614aeee4493c9302630
Manifest5ba77b4fcaccb29cafd7aef342c58f78281e1d868e106f72a1f1047c29d02f87

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureSPp9dhYgv6Q9I8Pal4moAsfxzoEVoBti8llQTSUwMc4FG15V0tlglU7KJ3XfZU8m5JbuceZWNK9hO7LQ1ozlCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:25.571250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041628
observed 2955ade57cd349e0dd9076ebe6c3bb05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.553333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041628/manifest.json
observed 5ba77b4fcaccb29cafd7aef342c58f78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.536576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041628/publication.md
observed e2483fa71ad077608fb85f2f8693f268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.520628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041628/publication.txt
observed f529cec90a5d7b659e06c2cf2d262a4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.